Materials Literature
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Yttrium influence on the form and amount of non-metallic inclusions in steel 06H23N18M5 was studied. It has been found that yttrium binds oxygen and other elements into heterogeneous compounds, it resulting in the transition of impurities into passive state. Oxide inclusions, sulfide inclusions and globules formed as…
Mass attenuation coefficient, effective atomic cross-section and effective atomic number of CaSO4 and BaSO4 compound samples were determined for the energy 81keV, 356keV, 511keV, 662keV, 1173keV, 1274keV and 1332keV by using gamma ray transmission method. The gamma rays emitted from 22Na, 133Ba, 137Cs and 60Co point s…
The main aim of the research is to prepare and study the current-voltage characteristics of single crystals and thin films of InGaTe2 compound in static and dynamic modes at different temperatures and for different contact area. Methods: InGaTe₂ single crystals were grown by the Bridgman- Stockbarger, and thin films w…
The E1 photon strength functions (PSF) of several Ni and Sn even-even isotopes have been calculated microscopically within the self-consistent version of the Extended Theory of Finite Fermi Systems which includes the QRPA approach and, in addition, phonon coupling. The calculations are fully self-consistent in the sen…
INTRODUCTION Nanoparticle drug delivery systems have the potential to improve current cancer treatments through encapsulating cytotoxic agents and delivering them to specific sites in the body. One such class of particle, liposomes, has already found some commercial success [1]. Liposomes are vesicles composed of a li…
PCPs (Porous Coordination Polymers) or MOFs (Metal Organic Frameworks) are crystalline materials whose structures consist of metal-based nodes bridged by organic linking groups. They are a well known class of porous materials which can have applications in gas storage (H2, CH4, CO2,…), heterogeneous catalysis and chem…
The current energy consumption of the worlds population relies heavily on fossil fuels. Unfortunately, the consumption of fossil fuels not only results in the emission of greenhouse gases which have deleterious effect on the envrionment but also the fossil fuel reserve is limited. Therefore, it is the need of the hour…
Approaches to the development of structures with a uniform stress field are considered. This development allows the fatigue strength characteristics to be enhanced. Determination of the durability of an idealized structure of aircraft components is performed on the basis of test data from laboratory articles in relati…
DC leakage current measurements on miniature cables are presented. Two approaches are proposed to deduce the DC electrical conductivity of the tested insulation material from these measurements: one approach based on an assumed electric field value in the insulation, and a coupled LMA-FEM approach which does not requi…
Atualmente, no setor de máquinas agrícolas o uso de aços de alta resistência está começando a ganhar espaço e cada vez mais lembrado nos projetos estruturais; para atender as necessidades citadas acima e também para redução de emissão de poluentes. A utilização dos aços de alta resistência na indústria de implementos…
Electrochemical energy storage devices such as supercapacitors and batteries have attracted more and more attentions in recent years with the emerging of new materials and understanding of their properties 1 .As one type of supercapacitors, Pseudocapacitor based on the redox-polymer provide additional pseudocapacitanc…
Recently, improvement in robots with human affinity is necessary. This improvement can be achieved by designing a telescopic actuator comparable to that of a human muscle cell. We study a shape memory alloy (SMA) actuator protected by a rolled film tube. In the present study, the actuator is inserted into a natural ru…
Spectroscopic and computational studies on the CT complex of 1,10-phenanthroline and picric acid have been studied with a view to know the type and nature of interaction between them. The FTIR data revealed that the complex in the solid state is a mixture of two complexes viz. components in ionic states and non-ionic…
GRAPHENE, a single layer of carbon atoms tightly bound in a two-dimensional (2D) hexagonal crystal lattice, has attracted tremendous scientific and technological research interest in recent years with a great promise of being used as a next generation electronic material due to its exceptional properties. From this pr…
A predictive model for predicting shelf life of modified atmosphere (MA) packed paneer using feedforward artificial neural network is proposed. Feedforward networks with single and double hidden layers were developed with Bayesian regularization. The best fitting for single hidden layer was obtained with 4 a 24 a 1, a…
Graphene is a two-dimensional allotrope of carbon that exhibits extraordinary crystalline, mechanical, electrical, thermal and optical properties. The material has been studied for over a decade, but the details of its atomic ordering and microstructural evolution are still incomplete. The phase field crystal model fo…
Проведено сравнение первичных структур белков Sec-системы транслокации белков у бактерий Shewanella oneidensis MR-1 и Escherichia coli. Изучен процесс транслокации рекомбинантных про-энтероксинов (SEB и SEH) из Staphylococcus aureus и про-стрептавидина (SAV) из Streptomyces avidinii в периплазму клеток S. oneidensis M…
Arzneistoffe wie Dexamethason und Triamcinolonacetonid (TAAc) gehoren zu der Gruppe der Corticosteroide und sollten aufgrund ihrer antiphlogistischen, antiproliferativen und immunsupressiven Wirkung aber auch angesichts zahlreicher Nebenwirkungen moglichst zielgerichtet zum Einsatz kommen. Um eine Zielrichtung vorzuge…
The kesterite Cu2ZnSnSe4 (CZTSe) thin film solar cells were synthesized by selenization of sputtered Cu/Sn/Zn metallic precursors on Mo coated soda lime glass substrate in Ar atmosphere. Cu/Sn/Zn metallic precursors were deposited by DC magnetron sputtering process with 30 W power at room temperature. As-deposited met…
In lithium intercalation batteries, understanding the electronic structure of bulk and surface of the electrodes is essential for their operation and functionality. Soft X-rays are excellent probes for electronic structure information of surface regions, but they cannot probe the bulk .Moreover, soft -rays hardly perm…